515085 has 16 divisors (see below), whose sum is σ = 860544. Its totient is φ = 262592.

The previous prime is 515041. The next prime is 515087. The reversal of 515085 is 580515.

It is a cyclic number.

It is not a de Polignac number, because 515085 - 2¹⁰ = 514061 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 515085.

It is not an unprimeable number, because it can be changed into a prime (515087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402 + ... + 1091.

It is an arithmetic number, because the mean of its divisors is an integer number (53784).

2⁵¹⁵⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

515085 is a deficient number, since it is larger than the sum of its proper divisors (345459).

515085 is a wasteful number, since it uses less digits than its factorization.

515085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 515085 is about 717.6942245831. The cubic root of 515085 is about 80.1603554452.

The spelling of 515085 in words is "five hundred fifteen thousand, eighty-five".